title: Imaging beyond the ballistic limit in coherence imaging using multiply scattered light.
abstract: We present an imaging system based on low coherence interferometric detection of multiply scattered light for extended depth imaging into highly scattering media. By incorporating angle-resolved detection, coherence imaging with multiply scattered photons is shown to be both feasible and potentially superior to existing techniques for performing time-resolved measurements of scattered light. Imaging is demonstrated through nearly 100 mean free paths of scattering phantom in a single-ended geometry. The resolution and imaging contrast are compared to those obtained with conventional OCT systems which chiefly detect singly scattered light.
authors.affiliation: Department of Biomedical Engineering and Fitzpatrick Center for Photonics, Duke University, Durham, NC 27708, USA.
authors.forename: Michael G
authors.initials: MG
authors.lastname: Giacomelli
authors.forename: Adam
authors.initials: A
authors.lastname: Wax
mesh_terms: D004867:Equipment Design; D019544:Equipment Failure Analysis; D007089:Image Enhancement / Q000295:instrumentation*; D007368:Interferometry / Q000295:instrumentation*; D008027:Light; D009391:Nephelometry and Turbidimetry / Q000295:instrumentation*; D012542:Scattering, Radiation; D041623:Tomography, Optical Coherence / Q000295:instrumentation*